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Methods of quantifying taste of compounds for food or beverages

  • US 8,067,185 B2
  • Filed: 11/13/2008
  • Issued: 11/29/2011
  • Est. Priority Date: 03/07/2001
  • Status: Expired due to Fees
First Claim
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1. A method of quantifying the taste of individual compounds for food or beverage compositions comprising:

  • contacting said individual compounds for food or beverage with an isolated heteromeric receptor, said an isolated heteromeric receptor comprising at least one T1R1 polypeptide and at least one T1R3 polypeptide, wherein said T1R1 polypeptide is (i) encoded by a nucleic acid sequence comprising SEQ. ID. NO;

    8, (ii) encoded by a nucleic acid sequence comprising a nucleic acid that hybridizes to SEQ. ID. NO;

    8 under stringent hybridization conditions which are conducting the hybridization reaction at 42°

    C. in a solution comprising 50% formamide, 5×

    SSC, and 1% SDS and washing at 65°

    C. in a solution comprising 0.2×

    SSC and 0.1% SDS, or (iii) a T1R1 polypeptide possessing at least 95% sequence identity to the T1R1 polypeptide of SEQ. ID. NO;

    5;

    wherein said T1R3 polypeptide is (i) encoded by a nucleic acid sequence comprising SEQ. ID. NO;

    9;

    (ii) encoded by a nucleic acid sequence that hybridizes to SEQ. ID. NO;

    9 under stringent hybridization conditions which are conducting the hybridization reaction at 42°

    C. in a solution comprising 50% formamide, 5×

    SSC, 1% SDS; and

    washing at 65°

    C. in a solution comprising 0.2×

    SCC and 0.1% SDS, or (iii) a T1R3 polypeptide possessing at least 95% sequence identity to the T1R3 polypeptide of SEQ. ID. NO;

    7;

    and wherein said heteromeric receptor comprised of at least one T1R1 polypeptide and at least one T1R3 polypeptide specifically binds to a ligand that specifically binds to an endogenous (wild-type) human heteromeric T1R1/T1R3 receptor; and

    quantifying the taste of said compounds.

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